Home / 1,891,854.70-2,610,817.14-1,076,176.60

Finding the Fourth Proportional to 1,891,854.70, 2,610,817.14 and 1,076,176.60

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Solution

The fourth proportional to 1,891,854.70, 2,610,817.14 and 1,076,176.60 is: 1,485,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,854.70 : 2,610,817.14 = 1,076,176.60 : x
  2. Step 2: Convert to fraction form
    1,891,854.70/2,610,817.14 = 1,076,176.60/x
  3. Step 3: Cross multiply
    1,891,854.70x = 2,610,817.14 × 1,076,176.60
  4. Step 4: Simplify right side
    1,891,854.70x = 2,809,700,312,946.92
  5. Step 5: Solve for x
    x = 2,809,700,312,946.92/1,891,854.70
  6. Step 6: Final answer
    x = 1,485,156.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.